Variation and Environmental Implication of Nitrate Concentration in Guliya Ice Core in the Recent 1 500 Years
WANG Ning-Lian, YAO Tan-Dong, L. G. THOMPSON
JOURNAL OF GLACIOLOGY AND GEOCRYOLOGY . 1998, (1): 14 -20 .  DOI: 10.7522/j.issn.1000-0240.1998.0004